{
  "abstract": "Rare-earth-activated molybdate phosphors have attracted considerable interest because of their tunable structural and luminescence properties for photonic applications. In this work, Ho3+-doped SrMoO4 nanoparticles were synthesized through a controlled hydrothermal method employing Chikku (Manilkara zapota) leaf extract as a plant-derived processing additive. Structural characterization revealed the formation of a phase-pure tetragonal scheelite SrMoO4 structure for all investigated Ho3+ concentrations, with no detectable secondary crystalline phases. The observed structural changes are consistent with Ho3+ incorporation into the SrMoO4 host lattice, although direct confirmation of the substitutional site requires complementary characterization. The average crystallite size decreased from approximately 34 to 25 nm with increasing Ho3+ concentration from 1 to 7 mol%. UV-vis diffuse reflectance measurements showed a gradual modification of the absorption-edge profile, with the estimated optical band gap increasing from 4.10 to 4.17 eV. Under 451 nm excitation, the samples exhibited characteristic visible Ho3+ emissions, with prominent green and red emission bands near 545 and 658 nm, respectively. The relative emission intensity increased with Ho3+ concentration, reaching the highest value for the 7 mol% sample. Time-resolved photoluminescence measurements revealed a progressive increase in the emission lifetime from 148.62 µs for pristine SrMoO4 to 326.95 µs for the 7 mol% Ho3+-doped sample. No reduction in lifetime was observed within the investigated concentration range, indicating that significant concentration quenching is not evident up to 7 mol% Ho3+. Overall, the results demonstrate a concentration-dependent relationship between the structural characteristics, morphology, visible photoluminescence, and emission decay dynamics of Ho3+ activated SrMoO4 nanoparticles prepared through a plant-assisted hydrothermal route.",
  "abstract_shown": true,
  "affiliations": [
    "Department of Physics, School of Applied Sciences, REVA University Bengaluru-560064 Karnataka India +91-7760884884",
    "Center for Advance Materials and Research in Physics, REVA Research Center, REVA University Bengaluru 560064 Karnataka India",
    "Department of Physics, Sri Adichunchanagiri First Grade College Channarayapatna, Hassan District-573116 Karnataka India",
    "Centre for Quality Assurance and Non-Destructive Evaluation (CQNDE), Sathyabama Institute of Science and Technology Chennai 600119 India",
    "ACU Centre for Research and innovation, Adichunchanagiri University Mandya District-571448 Karnataka India"
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 5,
  "authors": [
    {
      "affs": [
        0,
        1,
        2
      ],
      "name": "Arpitha H J"
    },
    {
      "affs": [
        3
      ],
      "name": "Kartik Gopal",
      "orcid": "0009-0003-7525-8401"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "Sunitha D V",
      "orcid": "0000-0003-0791-4254"
    },
    {
      "affs": [
        0,
        1
      ],
      "name": "D. S. Prem Kumar"
    },
    {
      "affs": [
        4
      ],
      "name": "Kalappa Prashantha"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/89ty98sc610hg.bib",
  "cited_by": 0,
  "doi": "10.1039/d6ra05779a",
  "fulltext_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13656410/?tool=EBI",
  "id": "89ty98sc610hg",
  "issns": [
    "2046-2069"
  ],
  "landing_url": "https://europepmc.org/article/PMC/PMC13656410",
  "language": "eng",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "heading",
      "Chemistry"
    ],
    [
      "openalex",
      "2505|Luminescence Properties of Advanced Materials"
    ]
  ],
  "openalex": "W7221535986",
  "pdf_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13656410/pdf/?tool=EBI",
  "pmcid": "PMC13656410",
  "pmid": "42866483",
  "published": "2026-10-12",
  "publisher": "Royal Society of Chemistry",
  "ris": "https://research.draconitic.com/paper/89ty98sc610hg.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:25Z",
      "native_id": "PMC:PMC13656410",
      "source": "europepmc",
      "url": "https://europepmc.org/article/PMC/PMC13656410"
    },
    {
      "first_seen": "2026-11-01T12:23:36Z",
      "native_id": "PMC13656410",
      "source": "pmc",
      "url": "https://doi.org/10.1039/d6ra05779a"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "openalex:2505|Luminescence Properties of Advanced Materials",
      "subfield": "materials-polymers"
    }
  ],
  "title": "Concentration-driven structural evolution and enhanced photoluminescence dynamics in Ho3+-activated SrMoO4 nanophosphors",
  "title_text": "Concentration-driven structural evolution and enhanced photoluminescence dynamics in Ho3+-activated SrMoO4 nanophosphors",
  "type": "peer-reviewed",
  "updated_at": "2026-11-02T12:20:50Z",
  "url": "https://research.draconitic.com/paper/89ty98sc610hg",
  "venue": "RSC advances",
  "versions": []
}